"The inspiration for your book came from your experience of
building an enterprise-ready Linux cluster. Can you tell me a
little bit about what that process what like? What were some of the
challenges you faced and how did you overcome them?

"I had a very favorable experience with Linux on a single box.
Then I was actually assigned to try to build a highly available Web
environment using Linux. This led to my discovery of several open
source packages, including the LVS and the Heartbeat
package..."